cve.bz

CVE-2021-22878

4.8 mediumEPSS 1.1%

Medium (4.8). EPSS 1.1% chance of exploitation in the next 30 days.

Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.

Severity

CVSS 3.1

4.8 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON